The correct answer is D, "involves the staff in determining the content," as this approach is most likely to benefit healthcare workers from infection prevention education. According to the Certification Board of Infection Control and Epidemiology (CBIC) guidelines, effective education programs are tailored to the specific needs and contexts of the learners. Involving staff in determining the content ensures that the educational material addresses their real-world challenges, knowledge gaps, and interests, thereby increasing engagement, relevance, and application of the learned principles (CBIC Practice Analysis, 2022, Domain IV: Education and Research, Competency 4.1 - Develop and implement educational programs). This participatory approach fosters ownership and accountability among healthcare workers, enhancing the likelihood that they will adopt and sustain infection prevention practices.

Option A (brings in speakers who are recognized experts) can enhance credibility and provide high-quality information, but it does not guarantee that the content will meet the specific needs of the staff unless their input is considered. Option B (plans the educational program well ahead of time) is important for logistical success and preparedness, but without staff involvement, the program may lack relevance or fail to address immediate concerns. Option C (audits practices and identifies deficiencies) is a valuable step in identifying areas for improvement, but it is a diagnostic process rather than a direct educational strategy; education based solely on audits might not engage staff effectively if their input is not sought.

The focus on involving staff aligns with CBIC’s emphasis on adult learning principles, which highlight the importance of learner-centered education. By involving staff, the IP adheres to best practices for adult education, ensuring that the program is practical and tailored, ultimately leadingto better outcomes in infection prevention (CBIC Practice Analysis, 2022, Domain IV: Education and Research, Competency 4.2 - Evaluate the effectiveness of educational programs). This approach also supports a collaborative culture, which is critical for sustaining infection control efforts in healthcare settings.